2003 Pontiac Grand AM electrical system problems
134 owner complaints filed with NHTSA name the electrical system on the 2003 Pontiac Grand AM — 41% of all complaints for this model year.
What owners report
“Engine has lost power from 150hp @ 3K RPM and 200ft·lb @ 4K RPM. It is now 50hp @ ½K RPM & 75ft·lb @ 2K revolutions per minute. Gear Shift Button has seperated from globe. Radio needs to be replaced or reset daily. Rear window defroster has seperated from window, and won’t retain position. Tire…”
filed Nov 25, 2023
“Korr’s Automotive wants $55Ø to repair our exhaust leak. Fuel lines are too close to engine, which can cause death or injury upon impact. You’re welcome for [XXXXXX] upon request! Driver seat is out of commission on power. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5…”
filed Nov 18, 2023
“Ecotec Gen I was re–engineered to be smoother and more efficient than its predecessor. Featuring an dual in–block balance shafts, power–steering pump, water–pump housing, and removable oil filter housing. This engine replaced the Quad–4 and GM 122 in North America and first appeared. GM offers an official kit which…”
filed Nov 18, 2023
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related recalls
- This defect can affect the safe operation of the airbag systemCampaign 14V400000 · Jul 3, 2014
Related service bulletins
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8…
PIP4723J · Service Bulletin/Repair Instructions · issued Oct 25, 2024Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to…
General Communication · Service Campaign · issued Aug 26, 2024This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and…
24-NA-098 · Service Bulletin/Repair Instructions · issued Jun 6, 2024
Electrical System problems in other Grand AM years
| Year | Reports | Share |
|---|---|---|
| 2005 Grand AM | 40 | 39% |
| 2004 Grand AM | 140 | 48% |
| 2002 Grand AM | 148 | 37% |
| 2001 Grand AM | 232 | 43% |
| 2000 Grand AM | 130 | 19% |
| 1999 Grand AM | 132 | 16% |
| 1998 Grand AM | 33 | 19% |
| 1997 Grand AM | 105 | 27% |
| 1996 Grand AM | 122 | 27% |
| 1995 Grand AM | 120 | 29% |
| 1994 Grand AM | 71 | 19% |
| 1993 Grand AM | 51 | 25% |
Other reported problem areas on the 2003 Pontiac Grand AM
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.